Elbow for a pneumatic conveying system



FIG. 1 is a perspective view for an elbow for a pneumatic conveying system showing my new design;

FIG. 2 is a side elevational view thereof; the opposite side being the mirror image thereof; and,

FIG. 3 is a end elevational view thereof; the opposite end being the mirror image thereof. 

The ornamental design for an elbow for a pneumatic conveying system, as shown and described. 